Synthesis of Copper Nano Powders by Addition of Organic Additives in Pulsing Electrolysis
Publish place: 1st International and 6th Joint Conference of Iranian Society of Metallurgical Engineers and the scientific community of Casting
Publish Year: 1391
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
IMES06_483
تاریخ نمایه سازی: 8 بهمن 1391
Abstract:
Pulsing electrolysis is a method to produce high purity nano copper powder. Effect of 3 organic additives, polyvinylpyrrolidone (PVP), sodium dodecyl sulfate (SDS), and thiourea (Tu) in 4 concentrations were studied. PVP and SDS had remarkable effect on reducing particle size. Thioureahad a negative effect on copper powder and produced copper sulfide instead of pure copper powder. Produced powder was characterized by x-ray diffraction (XRD), scanning electron microscope (SEM), energy dispersive x-ray spectroscopy (EDS) and laser particle size analyzer (LPSA). Among the additives which were studied, the best one was PVP at 2 g/L and the particle size was 110 ± 10 nm
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Authors
Rasoul Khayyam Nekouei
School of Metallurgy and Materials Engineering, College of Engineering, University of Tehran
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